
Sierra College
Data Breach on September 21, 2022
| Data Breach Report | ||
|---|---|---|
| Victim | sierracollege.edu | |
| Threat Actor | ViceSociety | |
| Date Discovered | Sep 21, 2022 | |
| Description | Since 1936, Sierra College has focused on quality instruction and meeting the needs of the communities we serve. | |
| Leak Size | N/A |
Credential Exposure for sierracollege.edu
We've indexed 2,578 @sierracollege.edu accounts from external breaches, plus 944 credentials for sierracollege.edu itself.
Last checked Aug 16, 2026
| @sierracollege.edu addresses from external breaches | |
|---|---|
| Third-party breaches | 1,801 accounts · across 172 breaches · 1,506 with a plaintext password · most recent Jan 8, 2026 |
| Combo lists | 1,272 accounts · most recent Aug 15, 2026 |
| Passwords for sierracollege.edu accounts | |
|---|---|
| Combo lists | 868 logins · most recent Aug 15, 2026 |
| Infostealer logs | 216 logins · 144 infected devices · most recent Aug 8, 2026 |
Logins may belong to customers or to staff, and the data doesn't say which. None of this is necessarily connected to the ransomware attack above.
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